dridex | fc52e505c69f58c26100ca9bb35c3f39bc35dd9864d7f8dd5ebd119e730b51e5

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
28-07-2024 21:15

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General

Target

24532b6718d3665f61db9982be0fa5a6_JaffaCakes118.dll
Size

1.2MB
MD5

24532b6718d3665f61db9982be0fa5a6
SHA1

de1d4721719be5814041d99a4559fdcb5296c985
SHA256

fc52e505c69f58c26100ca9bb35c3f39bc35dd9864d7f8dd5ebd119e730b51e5
SHA512

e73462d6a299bc8bb208e704136061424aeff0f73e3d067ab37d08b2eb84a4a18de9baa937cfb7f22a3aec27fb1f91ba0af779c01beb9157c9dcecc8a0461d5d
SSDEEP

24576:suYfg4LhHr4NFXKJO1aUiDBvZ2+ITHmpclO9N:E9cKrUqZWLAcU

Score

10^/10

dridex botnet evasion payload persistence trojan

Malware Config

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Shellcode 1 IoCs

Detects Dridex Payload shellcode injected in Explorer process.

botnet payload

resource	yara_rule
behavioral1/memory/1244-6-0x0000000002CF0000-0x0000000002CF1000-memory.dmp	dridex_stager_shellcode

Executes dropped EXE 3 IoCs

pid	Process
3024	msconfig.exe
1576	isoburn.exe
1492	mblctr.exe

Loads dropped DLL 7 IoCs

pid	Process
1244	Process not Found
3024	msconfig.exe
1244	Process not Found
1576	isoburn.exe
1244	Process not Found
1492	mblctr.exe
1244	Process not Found

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\Qntpnaypazzlupr = "C:\\Users\\Admin\\AppData\\Roaming\\Adobe\\FLASHP~1\\ASSETC~1\\PDC5AD~1\\isoburn.exe"	Process not Found

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	msconfig.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	isoburn.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mblctr.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2276	rundll32.exe
2276	rundll32.exe
2276	rundll32.exe
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 2040	1244	Process not Found	30
PID 1244 wrote to memory of 2040	1244	Process not Found	30
PID 1244 wrote to memory of 2040	1244	Process not Found	30
PID 1244 wrote to memory of 3024	1244	Process not Found	31
PID 1244 wrote to memory of 3024	1244	Process not Found	31
PID 1244 wrote to memory of 3024	1244	Process not Found	31
PID 1244 wrote to memory of 640	1244	Process not Found	32
PID 1244 wrote to memory of 640	1244	Process not Found	32
PID 1244 wrote to memory of 640	1244	Process not Found	32
PID 1244 wrote to memory of 1576	1244	Process not Found	33
PID 1244 wrote to memory of 1576	1244	Process not Found	33
PID 1244 wrote to memory of 1576	1244	Process not Found	33
PID 1244 wrote to memory of 1544	1244	Process not Found	35
PID 1244 wrote to memory of 1544	1244	Process not Found	35
PID 1244 wrote to memory of 1544	1244	Process not Found	35
PID 1244 wrote to memory of 1492	1244	Process not Found	36
PID 1244 wrote to memory of 1492	1244	Process not Found	36
PID 1244 wrote to memory of 1492	1244	Process not Found	36

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\24532b6718d3665f61db9982be0fa5a6_JaffaCakes118.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:2276

C:\Windows\system32\msconfig.exe
C:\Windows\system32\msconfig.exe
1⤵
PID:2040

C:\Users\Admin\AppData\Local\mSXMcGT\msconfig.exe
C:\Users\Admin\AppData\Local\mSXMcGT\msconfig.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3024

C:\Windows\system32\isoburn.exe
C:\Windows\system32\isoburn.exe
1⤵
PID:640

C:\Users\Admin\AppData\Local\UYSwQO\isoburn.exe
C:\Users\Admin\AppData\Local\UYSwQO\isoburn.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1576

C:\Windows\system32\mblctr.exe
C:\Windows\system32\mblctr.exe
1⤵
PID:1544

C:\Users\Admin\AppData\Local\Ah3a3xWD\mblctr.exe
C:\Users\Admin\AppData\Local\Ah3a3xWD\mblctr.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Ah3a3xWD\dwmapi.dll

Filesize
1.2MB

MD5
4dfdb990012f0fff0cae0d15198c4ef4

SHA1
7cbce6f8e4cb0b3c5da82f71f71027319a369d6a

SHA256
2f721037be3cabe32d28df997e368769cee854a2e697630a836bdebea73b3908

SHA512
88396217f869f8521ede84ce4af042076133f630fedfd13cd221fa9ffacc1fbdcafa479b901bf9eea582791a855cfeb4bca8b05b6da07cac9fa3dddab67306e0

Download Submit
C:\Users\Admin\AppData\Local\UYSwQO\UxTheme.dll

Filesize
1.2MB

MD5
56e7b535d8677ec953fe562826af65cd

SHA1
a3874357a69e38cf2a60bbc4afa13ed65904f06a

SHA256
78cad39e978cb9796876d020b4670ec7db00996d60703354cdf3b17eba72e7c0

SHA512
f67588b51f4acd0e76745dc520bff2602d41b5c78535843109bc50245afb71077064fd88d199771e49bcdb41dea88effe0f9194cbac7a26546e71b5a7761f8ed

Download Submit
C:\Users\Admin\AppData\Local\mSXMcGT\VERSION.dll

Filesize
1.2MB

MD5
941acb5c7043677831577f62b80b241f

SHA1
cbbb5dedd2bdc45c47cc69ac4706cff3e37f4c8b

SHA256
d827a6ce644a1ec6b31e34b4136fa748b480eb92ad73973c2e27cb2d137aaa00

SHA512
eeab5585d84ca86612d3799122b80315b282cc28805b93bffcb4faf888be71ec43feb11cf0b4f51c6ca19de5023f0cc1da8511582a45eaf6ba89560c38ba72d7

Download Submit
C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Joeqzcwrjre.lnk

Filesize
875B

MD5
770fe916ddeb9596a8546e5f3ad6730d

SHA1
2fbb0d07c093c99aa39549a3a06aa98ddb91772b

SHA256
5c86f4c08c3bc2424eb69b24f164f15d7c108e531e6fc543fd33d648385b27f6

SHA512
ad60a07416c4c74aa1395667263bfd1faa0696354319a9c29a68d4024087edb0197310f586b4a9d9f7c3da9c70e4e18d40355c2d2b2ae7dc8bef979e36d46fd0

Download Submit
\Users\Admin\AppData\Local\Ah3a3xWD\mblctr.exe

Filesize
935KB

MD5
fa4c36b574bf387d9582ed2c54a347a8

SHA1
149077715ee56c668567e3a9cb9842284f4fe678

SHA256
b71cdf708d4a4f045f784de5e5458ebf9a4fa2b188c3f7422e2fbfe19310be3f

SHA512
1f04ce0440eec7477153ebc2ce56eaabcbbac58d9d703c03337f030e160d22cd635ae201752bc2962643c75bbf2036afdd69d97e8cbc81260fd0e2f55946bb55

Download Submit
\Users\Admin\AppData\Local\UYSwQO\isoburn.exe

Filesize
89KB

MD5
f8051f06e1c4aa3f2efe4402af5919b1

SHA1
bbcf3711501dfb22b04b1a6f356d95a6d5998790

SHA256
50dcb4be409f50d26c0fc32dd9cdbf96bff4e19bf624221cb566ebeb3e09ce1a

SHA512
5f664d937abe4426ee7e0d8491a395f9ef4ffe7a51dba05b54b7ba27e80c9be37833400911c5878d3dec659f4fa1579ec8ba4cfc485fb2ce24dd37c321006daa

Download Submit
\Users\Admin\AppData\Local\mSXMcGT\msconfig.exe

Filesize
293KB

MD5
e19d102baf266f34592f7c742fbfa886

SHA1
c9c9c45b7e97bb7a180064d0a1962429f015686d

SHA256
f3c8bb430f9c33e6caf06aaebde17b7fddcc55e8bb36cec2b9379038f1fca0b1

SHA512
1b9f1880dd3c26ae790b8eead641e73264f90dc7aa2645acc530aad20ad9d247db613e1725282c85bca98c4428ac255752a4f5c9b2a97f90908b7fe4167bb283

Download Submit
memory/1244-9-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1244-17-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1244-4-0x00000000777F6000-0x00000000777F7000-memory.dmp

Filesize
4KB

Download
memory/1244-14-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1244-25-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1244-15-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1244-13-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1244-11-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1244-33-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1244-10-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1244-30-0x0000000077B90000-0x0000000077B92000-memory.dmp

Filesize
8KB

Download
memory/1244-29-0x0000000077A01000-0x0000000077A02000-memory.dmp

Filesize
4KB

Download
memory/1244-26-0x0000000002CD0000-0x0000000002CD7000-memory.dmp

Filesize
28KB

Download
memory/1244-34-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1244-6-0x0000000002CF0000-0x0000000002CF1000-memory.dmp

Filesize
4KB

Download
memory/1244-16-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1244-12-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1244-71-0x00000000777F6000-0x00000000777F7000-memory.dmp

Filesize
4KB

Download
memory/1244-8-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1244-7-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1492-89-0x0000000000190000-0x0000000000197000-memory.dmp

Filesize
28KB

Download
memory/1492-92-0x000007FEF6AA0000-0x000007FEF6BD2000-memory.dmp

Filesize
1.2MB

Download
memory/1576-68-0x000007FEF6AA0000-0x000007FEF6BD2000-memory.dmp

Filesize
1.2MB

Download
memory/1576-74-0x000007FEF6AA0000-0x000007FEF6BD2000-memory.dmp

Filesize
1.2MB

Download
memory/2276-42-0x000007FEF6AA0000-0x000007FEF6BD1000-memory.dmp

Filesize
1.2MB

Download
memory/2276-0-0x000007FEF6AA0000-0x000007FEF6BD1000-memory.dmp

Filesize
1.2MB

Download
memory/2276-3-0x00000000001A0000-0x00000000001A7000-memory.dmp

Filesize
28KB

Download
memory/3024-56-0x000007FEF65D0000-0x000007FEF6702000-memory.dmp

Filesize
1.2MB

Download
memory/3024-53-0x00000000002B0000-0x00000000002B7000-memory.dmp

Filesize
28KB

Download
memory/3024-50-0x000007FEF65D0000-0x000007FEF6702000-memory.dmp

Filesize
1.2MB

Download